GeeTest is a CAPTCHA and bot management provider, protects websites, mobile apps, and APIs from automated bot-driven attacks, like ATO, credential stuffing, web scalping, etc.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Instant.Page is a JavaScript library which uses just-in-time preloading technique to make websites faster.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Typecho is a PHP Blogging Platform.